SKF FBSA 205/QFC Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

SKF FBSA 205/QFC Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision
Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

Tolerances: tableBearing preloadDesign considerations: shafts, housings

d		25	mm
H		120	mm
A		82	mm
A1		78.74	mm
A2		32	mm
A3		15	mm
d1		34	mm
D1		88	mm
D2		80	mm
D3		40	mm

Calculation data

Basic dynamic load rating	C		36.5	kN
Basic static load rating	C0		104	kN
Fatigue load limit	Pu		3.86	kN
Attainable speed for preload class A			4500	r/min
Attainable speed for preload class B			2250	r/min
Preload class A			3160	kN
Preload class B			6320	kN
Frictional moment for preload class A			0.138	N·m
Frictional moment for preload class B			0.24	N·m
Static axial stiffnes for preload class A			1450	N/µm
Static axial stiffnes for preload class B			1850	N/µm

Mass

Mass cartridge unit

3.5

kg

Mounting information

Through hole diameter for attachment bolts	N		9.2	mm
Pitch diameter of attachement bolt holes	J		102	mm
Cartridge half diameter without flange	J1		44	mm

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